CVE-2021-34586
CODESYS V2 web server: crafted requests could trigger a null pointer dereference (DoS)
In short
The CODESYS V2 web server has a flaw where specially crafted requests can crash the server by triggering a null pointer error, making it unavailable to users.
Technical detail
A null pointer dereference vulnerability in CODESYS V2 web server (versions before V1.1.9.22) allows remote attackers to send specially crafted HTTP requests that cause the application to crash, resulting in denial-of-service without requiring authentication.
Summary generated and translated by AI from the official description.
In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in the CODESYS web server and may result in a denial-of-service condition.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
CODESYS · CODESYS V2Want to know if your infrastructure is exposed to this?
Talk to TrueHacking →